Let them say whether they would admit that there is such a thing as a mortal animal.

It must therefore be uneasy and devoid of all rational satisfaction; for it could not even, like the soul of mortal animals, take recreation in the bodily relaxation of sleep.

No mortal animal would permit such a devil to bestride it.

All these the creator first set in order, and out of them he constructed the universe, which was a single animal comprehending in itself all other animals, mortal and immortal.

Following ancient philosophers he defined man as an rational mortal animal - animal rationale mortale.

Porphyry redefined man as a mortal rational animal, and also considered animals to have a (lesser) rationality of their own.

The not-horses were stronger and cleverer than the mortal animals and far more vicious, but they could be controlled.

These demons, far smaller and less powerful than the Old Ones, were usually the product of crossbreeding with humans and other mortal animals.

"There are demons that thrive by fostering persecution and hatred among the mortal animals," Giles explained.

Mortis was galloping on air, moving far faster than any mortal animal could.